
Figure 40.3 (a) shift in natural freqencies corresponding to B1 and T1 modes due to delamination in 00/900 cross plies

Figure 40.3 (b) shift in natural freqencies corresponding to the B2 modes due to delamination in 00/900 cross plies

Figure 40.3 (c) shift in natural freqencies corresponding to the B02 modes due to delamination in 00/900 cross plies
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